From J. D. Hooker [11–15 April 1846]1

Nothing can be Botanically so strong as the contrast between Cape & Rest of Africa, it is as strong as between Australia & India I should think.

Minute palpi legs & jaws &c cannot be an affaiblissement of legs, for in your old friend Chiasognathus the legs, Maxillæ & Palpi are all enormous for the tribe: there are surely plenty of other instances in 〈 〉

〈 〉 made you leave off Snuff if even for a week. It is always astonishing to me that you can go on with it; when it is to you so decided a stimulant. Do pray knock it off altogether. I am sure you will be much better if you do; it must hurt you, & is growing a 2d. nature.